-61.69% is the change from 864 to 331
Calculation steps:
[( 331 - 864 ) ÷ 864] x 100 = -61.69%
Formula
Percentage change = [(331 - 864) / 864] x 100
Subtract the new number by the original number
331 - 864 = -533
-533 ÷ 864 = -0.6168981481481481
-0.6168981481481481 x 100 = -61.69%